Rewrote backend in c++

old_backend/.eslintrc.js

@@ -0,0 +1,29 @@
+module.exports = {
+	parser: '@typescript-eslint/parser',
+	parserOptions: {
+		project: 'tsconfig.json',
+		tsconfigRootDir: __dirname,
+		sourceType: 'module',
+	},
+	plugins: ['@typescript-eslint/eslint-plugin', 'no-relative-import-paths'],
+	extends: [
+		'plugin:@typescript-eslint/recommended',
+		'plugin:prettier/recommended',
+	],
+	root: true,
+	env: {
+		node: true,
+		jest: true,
+	},
+	ignorePatterns: ['.eslintrc.js'],
+	rules: {
+		'@typescript-eslint/interface-name-prefix': 'off',
+		'@typescript-eslint/explicit-function-return-type': 'off',
+		'@typescript-eslint/explicit-module-boundary-types': 'off',
+		'@typescript-eslint/no-explicit-any': 'off',
+		'no-relative-import-paths/no-relative-import-paths': [
+			'error',
+			{ 'allowSameFolder': true, 'rootDir': 'src' }
+		]
+	},
+};

old_backend/.gitignore

@@ -0,0 +1,401 @@
+# Created by .ignore support plugin (hsz.mobi)
+### JetBrains template
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff:
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/dictionaries
+
+# Sensitive or high-churn files:
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.xml
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+
+# Gradle:
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# CMake
+cmake-build-debug/
+
+# Mongo Explorer plugin:
+.idea/**/mongoSettings.xml
+
+## File-based project format:
+*.iws
+
+## Plugin-specific files:
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+### VisualStudio template
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+
+# Visual Studio 2015 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET Core
+project.lock.json
+project.fragment.lock.json
+artifacts/
+**/Properties/launchSettings.json
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# Visual Studio Trace Files
+*.e2e
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# AxoCover is a Code Coverage Tool
+.axoCover/*
+!.axoCover/settings.json
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# Note: Comment the next line if you want to checkin your web deploy settings,
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+*.appx
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Typescript v1 declaration files
+typings/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+# IDE - VSCode
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+
+# CodeRush
+.cr/
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/
+coverage/
+
+### macOS template
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+=======
+# Local
+.env
+dist
+
+files
+sqlite.db

old_backend/.gitlab-ci.yml

@@ -0,0 +1,114 @@
+image: node:latest
+
+stages:
+    - setup
+    - test
+    - build
+    - package
+
+cache: &global_cache
+    paths:
+        - .yarn
+        - node_modules
+        - frontend/.yarn
+        - frontend/node_modules
+    policy: pull
+
+before_script:
+    - yarn install --cache-folder .yarn --frozen-lockfile
+    - cd frontend
+    - yarn install --cache-folder .yarn --frozen-lockfile
+    - cd ..
+
+.dto_artifacts_need: &dto_artifacts_need
+    job: test_build_dto
+    artifacts: true
+
+test_build_dto:
+    stage: setup
+    cache:
+        <<: *global_cache
+        policy: pull-push
+    before_script: []
+    script:
+        - cd dto
+        - yarn install --frozen-lockfile
+        - yarn lint
+        - yarn build
+        - cd ..
+        - yarn install --cache-folder .yarn --frozen-lockfile
+        - yarn add ./dto
+        - cd frontend
+        - yarn install --cache-folder .yarn --frozen-lockfile
+        - yarn add ../dto
+    artifacts:
+        paths:
+            - dto/lib/
+
+
+test_backend:
+    needs:
+        - *dto_artifacts_need
+    stage: test
+    script:
+        - yarn lint
+
+test_frontend:
+    needs:
+        - *dto_artifacts_need
+    stage: test
+    script:
+        - cd frontend
+        - yarn lint
+
+build_backend:
+    stage: build
+    needs:
+        - *dto_artifacts_need
+        - job: test_backend
+          artifacts: false
+    script:
+        - echo This has to work till I rewrite the backend
+        - false && echo
+        - yarn webpack
+    artifacts:
+        paths:
+            - dist/
+        expire_in: 1h
+
+build_frontend:
+    stage: build
+    needs:
+        - *dto_artifacts_need
+        - job: test_frontend
+          artifacts: false
+    script:
+        - cd frontend
+        - yarn build
+    artifacts:
+        paths:
+            - frontend/dist/
+        expire_in: 1h
+
+package_server:
+    stage: package
+    cache: []
+    before_script: []
+    needs:
+        - job: build_backend
+          artifacts: true
+        - job: build_frontend
+          artifacts: true
+    script:
+        - TMP=$(mktemp -d)
+        - mv dist/* "$TMP"
+        - mkdir "$TMP/frontend"
+        - mv frontend/dist/* "$TMP/frontend"
+        - rm -r *
+        - rm -r .* || true
+        - mv "$TMP/"* .
+    artifacts:
+        paths:
+            - package.json
+            - server.js
+            - frontend/

old_backend/.prettierrc

@@ -0,0 +1,7 @@
+{
+	"tabWidth": 4,
+	"useTabs": true,
+	"singleQuote": true,
+	"trailingComma": "none",
+	"endOfLine": "lf"
+}

old_backend/README.md

@@ -0,0 +1,19 @@
+# Mutzi's fileserver
+
+## Description
+The most crackhead fileserver you will find on the market
+
+## Installation
+```bash
+npm install
+cd frontend && npm install
+```
+
+## Running the app
+```bash
+npm run start:dev
+```
+Run in parallel for building the frontend:
+````bash
+cd frontend && npm run serve
+````

old_backend/nest-cli.json

@@ -0,0 +1,9 @@
+{
+	"$schema": "https://json.schemastore.org/nest-cli",
+	"collection": "@nestjs/schematics",
+	"monorepo": true,
+	"sourceRoot": "src",
+	"compilerOptions": {
+		"tsConfigPath": "tsconfig.json"
+	}
+}

old_backend/package.json

@@ -0,0 +1,122 @@
+{
+	"name": "fileserver",
+	"private": true,
+	"version": "1.0.0",
+	"description": "Crackhead fileserver",
+	"license": "MIT",
+	"scripts": {
+		"prebuild": "rimraf dist",
+		"build": "nest build",
+		"format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
+		"start": "nest start",
+		"start:dev": "nest start --watch",
+		"lint": "eslint \"src/**/*.ts\"",
+		"lint-fix": "eslint \"src/**/*.ts\" --fix",
+		"test": "jest",
+		"test:watch": "jest --watch",
+		"test:cov": "jest --coverage",
+		"test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand",
+		"test:e2e": "jest --config ./test/jest-e2e.json",
+		"genapi": "ts-node tools/apigen.ts",
+		"updateDto": "cd dto && yarn build && cd .. && yarn add ./dto && cd frontend && yarn add ../dto",
+		"lint-fix-all": "yarn lint-fix && cd dto && yarn lint-fix && cd ../frontend && yarn lint --fix"
+	},
+	"dependencies": {
+		"@fastify/multipart": "^7.1.0",
+		"@fastify/static": "^6.5.0",
+		"@nestjs/common": "^9.0.8",
+		"@nestjs/core": "^9.0.8",
+		"@nestjs/jwt": "^9.0.0",
+		"@nestjs/passport": "^9.0.0",
+		"@nestjs/platform-fastify": "^9.0.8",
+		"@nestjs/serve-static": "^3.0.0",
+		"@nestjs/typeorm": "^9.0.0",
+		"argon2": "^0.28.7",
+		"axios": "^0.27.2",
+		"class-transformer": "^0.5.1",
+		"class-validator": "^0.13.2",
+		"jsonwebtoken": "^8.5.1",
+		"nodemailer": "^6.7.8",
+		"notp": "^2.0.3",
+		"passport": "^0.6.0",
+		"passport-jwt": "^4.0.0",
+		"passport-local": "^1.0.0",
+		"qrcode": "^1.5.1",
+		"reflect-metadata": "^0.1.13",
+		"rxjs": "^7.5.6",
+		"sqlite3": "^5.0.11",
+		"thirty-two": "^1.0.2",
+		"typeorm": "^0.3.7"
+	},
+	"runtimeDependencies": [
+		"@fastify/multipart",
+		"@fastify/static",
+		"@nestjs/common",
+		"@nestjs/core",
+		"@nestjs/platform-fastify",
+		"@nestjs/serve-static",
+		"argon2",
+		"class-transformer",
+		"class-validator",
+		"reflect-metadata",
+		"rxjs",
+		"sqlite3",
+		"typeorm"
+	],
+	"devDependencies": {
+		"@nestjs/cli": "^9.0.0",
+		"@nestjs/schematics": "^9.0.1",
+		"@nestjs/testing": "^9.0.8",
+		"@types/express": "^4.17.13",
+		"@types/jest": "^28.1.6",
+		"@types/jsonwebtoken": "^8.5.8",
+		"@types/node": "^18.6.5",
+		"@types/nodemailer": "^6.4.5",
+		"@types/notp": "^2.0.2",
+		"@types/passport-jwt": "^3.0.6",
+		"@types/passport-local": "^1.0.34",
+		"@types/qrcode": "^1.5.0",
+		"@types/supertest": "^2.0.12",
+		"@types/webpack": "^5.28.0",
+		"@types/webpack-node-externals": "^2.5.3",
+		"@typescript-eslint/eslint-plugin": "^5.33.0",
+		"@typescript-eslint/parser": "^5.33.0",
+		"@typescript-eslint/typescript-estree": "^5.33.0",
+		"copy-webpack-plugin": "^11.0.0",
+		"eslint": "^8.21.0",
+		"eslint-config-prettier": "^8.5.0",
+		"eslint-plugin-no-relative-import-paths": "^1.4.0",
+		"eslint-plugin-prettier": "^4.2.1",
+		"jest": "^28.1.3",
+		"prettier": "^2.7.1",
+		"rimraf": "^3.0.2",
+		"source-map-support": "^0.5.21",
+		"supertest": "^6.2.4",
+		"ts-jest": "^28.0.7",
+		"ts-loader": "^9.3.1",
+		"ts-node": "^10.9.1",
+		"tsconfig-paths": "^4.1.0",
+		"tsconfig-paths-webpack-plugin": "^4.0.0",
+		"typescript": "^4.7.4",
+		"webpack": "^5.74.0",
+		"webpack-cli": "^4.10.0",
+		"webpack-node-externals": "^3.0.0"
+	},
+	"jest": {
+		"moduleFileExtensions": [
+			"js",
+			"json",
+			"ts"
+		],
+		"rootDir": "src",
+		"testRegex": ".*\\.spec\\.ts$",
+		"transform": {
+			"^.+\\.(t|j)s$": "ts-jest"
+		},
+		"collectCoverageFrom": [
+			"**/*.(t|j)s"
+		],
+		"coverageDirectory": "../coverage",
+		"testEnvironment": "node"
+	}
+}

old_backend/requests.http

@@ -0,0 +1,36 @@
+### Create account
+POST http://127.0.0.1:8080/api/auth/signup
+Content-Type: application/json
+
+{"username": "root@mattv.de", "password": "123"}
+
+### Wrong authenctication
+POST http://127.0.0.1:8080/api/auth/login
+Content-Type: application/json
+
+{"username": "root@mattv.de", "password": "this is not correct"}
+
+### Correct authentication
+POST http://127.0.0.1:8080/api/auth/login
+Content-Type: application/json
+
+{"username": "root@mattv.de", "password": "123"}
+
+> {% client.global.set("auth_token", response.body.jwt); %}
+
+### Check if authenticated with admin perms
+GET http://127.0.0.1:8080/test/hello2
+Authorization: Bearer {{auth_token}}
+
+
+### Refresh token
+POST http://127.0.0.1:8080/api/auth/refresh
+Authorization: Bearer {{auth_token}}
+
+### A
+POST https://ssh.gitlab.mattv.de/oauth/token
+?redirect_uri=http%3A//127.0.0.1%3A1234/api/auth/gitlab_callback
+&client_id=98bcbad78cb1f880d1d1de62291d70a791251a7bea077bfe7df111ef3c115760
+&client_secret=7ee01d2b204aff3a05f9d028f004d169b6d381ec873e195f314b3935fa150959
+&code=b96f91b171cf23245ea08c6f35c3831698e8683c6d0306de1396507f0f51d4c7
+&grant_type=authorization_code

old_backend/src/controller/filesystem.ts

@@ -0,0 +1,28 @@
+import {
+	Body,
+	Controller,
+	Get,
+	Param,
+	ParseIntPipe,
+	Post,
+	Request,
+	StreamableFile,
+	ValidationPipe
+} from '@nestjs/common';
+import { Responses, Requests, validateAsyncInline, UserRole } from '../../dto';
+import FileSystemService from 'services/filesystem';
+import { Role } from 'authguards';
+
+@Controller('api/fs')
+export default class FileSystemController {
+	constructor(private fsService: FileSystemService) {}
+
+	@Post('download')
+	@Role(UserRole.USER)
+	async download(
+		@Request() req,
+		@Body('id', ParseIntPipe) id
+	): Promise<StreamableFile> {
+		return this.fsService.downloadFile(id, req.user);
+	}
+}

old_backend/src/services/filesystem.ts

@@ -0,0 +1,32 @@
+import {
+	BadRequestException,
+	Injectable,
+	NotImplementedException,
+	StreamableFile,
+	UnauthorizedException
+} from '@nestjs/common';
+import { InjectRepository } from '@nestjs/typeorm';
+import { INode, User } from 'entities';
+import { Repository } from 'typeorm';
+import { Multipart } from '@fastify/multipart';
+import { pipeline } from 'stream/promises';
+import { createReadStream, createWriteStream, statSync, unlink } from 'fs';
+import { Writable } from 'stream';
+
+@Injectable()
+export default class FileSystemService {
+	constructor(
+		@InjectRepository(INode)
+		private inodeRepo: Repository<INode>
+	) {}
+
+	async downloadFile(id: number, user: User): Promise<StreamableFile> {
+		const node = await this.getNodeAndValidate(id, user);
+		if (!node.isFile) throw new NotImplementedException();
+		const stats = statSync(`files/${node.id}`);
+		return new StreamableFile(createReadStream(`files/${node.id}`), {
+			disposition: `attachment; filename="${node.name}"`,
+			length: stats.size
+		});
+	}
+}

old_backend/tools/apigen.ts

@@ -0,0 +1,306 @@
+import {
+	AST_NODE_TYPES,
+	createProgram,
+	parse
+} from '@typescript-eslint/typescript-estree';
+import * as fs from 'fs';
+import * as path from 'path';
+import * as a from '@typescript-eslint/types/dist/generated/ast-spec';
+import { TypeNode } from '@typescript-eslint/types/dist/generated/ast-spec';
+import { Writable } from 'stream';
+
+class Err extends Error {
+	constructor(o: object) {
+		super();
+		console.error(o);
+	}
+}
+
+const program = createProgram('tsconfig.json');
+
+class BetterWritable {
+	constructor(private w: Writable) {}
+	private indent = 0;
+
+	write(data: string) {
+		this.w.write('\t'.repeat(this.indent));
+		this.w.write(data);
+		this.w.write('\n');
+	}
+	writeInc(data: string) {
+		this.write(data);
+		this.indent++;
+	}
+	writeDec(data: string) {
+		this.indent--;
+		this.write(data);
+	}
+	writeDecInc(data: string) {
+		this.indent--;
+		this.write(data);
+		this.indent++;
+	}
+}
+
+interface Outputable {
+	write(s: BetterWritable);
+	writeJsonAs(ns: string, s: BetterWritable);
+}
+
+class CppProp {
+	constructor(entry: string) {
+		this.entry = entry;
+	}
+	entry: string;
+}
+
+// template <> inline dto::Requests::Auth::LoginRequest Json::Value::as<dto::Requests::Auth::LoginRequest>() const { return asFloat(); }
+
+class CppClass implements Outputable {
+	constructor(name: string) {
+		this.name = name;
+	}
+	type = 'class' as const;
+	name: string;
+	sub: string[] = [];
+	entries: CppProp[] = [];
+
+	write(s: BetterWritable) {
+		let name = `struct ${this.name}`;
+		if (this.sub.length > 0)
+			name += ' : public ' + this.sub.join(', public ');
+		s.writeInc(`${name} {`);
+		if (this.sub.length == 0) {
+			s.write(`${this.name}() = default;`);
+			s.writeInc(`explicit ${this.name}(const Json::Value& j) {`);
+		} else {
+			s.writeInc(`${this.name}() :`);
+			this.sub.forEach((sub) => {
+				s.write(`${sub}()`);
+			});
+			s.writeDec('{}');
+			s.writeInc(`explicit ${this.name}(const Json::Value& j) :`);
+			this.sub.forEach((sub) => {
+				s.write(`${sub}(j)`);
+			});
+			s.writeDecInc('{');
+		}
+		this.entries.forEach((e) => {
+			const [type, name] = e.entry.split(' ');
+			const opt_match = /std::optional<([a-z:<>]+)>/.exec(type);
+			if (opt_match !== null)
+				s.write(
+					`this->${name} = json_get_optional<${opt_match[1]}>(j, "${name}");`
+				);
+			else s.write(`this->${name} = j["${name}"].as<${type}>();`);
+		});
+		s.writeDec('}');
+		this.entries.forEach((e) => s.write(`${e.entry};`));
+		s.writeDec('};');
+	}
+
+	writeJsonAs(ns: string, s: BetterWritable) {
+		s.write(
+			`template <> inline ${ns}${this.name} Json::Value::as() const { return ${ns}${this.name}(*this); }`
+		);
+	}
+}
+
+class CppEnum implements Outputable {
+	constructor(name: string) {
+		this.name = name;
+	}
+	type = 'enum' as const;
+	name: string;
+	entries: CppProp[] = [];
+
+	write(s: BetterWritable) {
+		return;
+		s.writeInc(`enum ${this.name} : int {`);
+		this.entries.forEach((e, idx, arr) =>
+			s.write(`${e.entry}${idx === arr.length - 1 ? '' : ','}`)
+		);
+		s.writeDec('};');
+	}
+
+	writeJsonAs(ns: string, s: BetterWritable) {
+		return;
+		s.write(
+			`template <> inline ${ns}${this.name} Json::Value::as() const { return (${ns}${this.name})(asInt()); }`
+		);
+	}
+}
+
+class CppNamespace implements Outputable {
+	constructor(name: string) {
+		this.name = name;
+	}
+	type = 'ns' as const;
+	name: string;
+	body: (CppNamespace | CppClass | CppEnum)[] = [];
+
+	write(s: BetterWritable) {
+		s.writeInc(`namespace ${this.name} {`);
+		this.body.forEach((b) => b.write(s));
+		s.writeDec('}');
+	}
+
+	writeJsonAs(ns: string, s: BetterWritable) {
+		ns += `${this.name}::`;
+		this.body.forEach((b) => b.writeJsonAs(ns, s));
+	}
+}
+
+function _getCppType(
+	t: TypeNode
+): null | string | ((opt: boolean, name: string) => string) {
+	switch (t.type) {
+		case AST_NODE_TYPES.TSStringKeyword:
+			return 'std::string';
+		case AST_NODE_TYPES.TSBooleanKeyword:
+			return 'bool';
+		case AST_NODE_TYPES.TSNumberKeyword:
+			return 'int';
+		case AST_NODE_TYPES.TSTypeReference:
+			if (t.typeName.type != AST_NODE_TYPES.Identifier) throw new Err(t);
+			return t.typeName.name;
+		case AST_NODE_TYPES.TSLiteralType:
+			return null;
+		case AST_NODE_TYPES.TSUnionType:
+			return _getCppType(t.types[0]);
+		case AST_NODE_TYPES.TSArrayType:
+			return `std::vector<${_getCppType(t.elementType)}>`;
+		default:
+			throw new Err(t);
+	}
+}
+
+function getCppType(opt: boolean, name: string, t: TypeNode): null | string {
+	let ret = _getCppType(t);
+	if (typeof ret === 'function') return `${ret(opt, name)}`;
+	if (typeof ret === 'string') {
+		if (opt) ret = `std::optional<${ret}>`;
+		return `${ret} ${name}`;
+	} else return ret;
+}
+
+function handleClassProperty(
+	prop: a.PropertyDefinitionComputedName | a.PropertyDefinitionNonComputedName
+): CppProp | null {
+	if (prop.key.type != AST_NODE_TYPES.Identifier) throw new Err(prop);
+	if (!prop.typeAnnotation) throw new Err(prop);
+	const type = getCppType(
+		prop.optional && prop.optional,
+		prop.key.name,
+		prop.typeAnnotation.typeAnnotation
+	);
+	return type === null ? null : new CppProp(type);
+}
+
+function handleClass(
+	dec: a.ClassDeclarationWithName | a.ClassDeclarationWithOptionalName
+): CppClass {
+	if (!dec.id) throw new Err(dec);
+	const cls = new CppClass(dec.id.name);
+	if (dec.superClass) {
+		const subCls = dec.superClass;
+		if (subCls.type == AST_NODE_TYPES.Identifier) cls.sub.push(subCls.name);
+		else throw new Err(subCls);
+	}
+	dec.body.body.forEach((inner) => {
+		if (inner.type == AST_NODE_TYPES.PropertyDefinition) {
+			const prop = handleClassProperty(inner);
+			if (prop) cls.entries.push(prop);
+		} else if (
+			inner.type == AST_NODE_TYPES.MethodDefinition &&
+			inner.key.type == AST_NODE_TYPES.Identifier &&
+			inner.key.name === 'constructor'
+		)
+			return;
+		else throw new Err(inner);
+	});
+	return cls;
+}
+
+function handleEnum(dec: a.TSEnumDeclaration): CppEnum {
+	const enm = new CppEnum(dec.id.name);
+	dec.members.forEach((member) => {
+		if (
+			member.id.type == AST_NODE_TYPES.Identifier &&
+			member.initializer.type == AST_NODE_TYPES.Literal
+		) {
+			enm.entries.push(
+				new CppProp(`${member.id.name} = ${member.initializer.raw}`)
+			);
+		} else throw new Err(member);
+	});
+	return enm;
+}
+
+function handleNamedDeclaration(
+	dec: a.ExportNamedDeclaration
+): CppClass | CppEnum | undefined {
+	if (!dec.declaration) throw new Err(dec);
+	else if (dec.declaration.type == AST_NODE_TYPES.ClassDeclaration)
+		return handleClass(dec.declaration);
+	else if (dec.declaration.type == AST_NODE_TYPES.TSEnumDeclaration)
+		return handleEnum(dec.declaration);
+	else if (dec.declaration.type == AST_NODE_TYPES.FunctionDeclaration) return;
+	else {
+		throw new Err(dec);
+	}
+}
+
+function handleExport(
+	ns: CppNamespace,
+	file: string,
+	body: a.ExportNamedDeclaration | a.ExportAllDeclaration
+) {
+	let newPath = path.join(path.dirname(file), body.source.value);
+	if (fs.existsSync(newPath) && fs.statSync(newPath).isDirectory())
+		newPath = path.join(newPath, 'index.ts');
+	else if (!newPath.endsWith('.ts')) newPath = newPath + '.ts';
+	console.log(`${file}: ${newPath}`);
+	parseFile(ns, newPath);
+}
+
+function parseFile(ns: CppNamespace, file: string) {
+	const ast = parse(fs.readFileSync(file).toString(), {
+		programs: [program]
+	});
+	ast.body
+		.filter((body) => body.type == AST_NODE_TYPES.ExportNamedDeclaration)
+		.forEach((body: a.ExportNamedDeclaration) => {
+			if (!body.source) {
+				const ret = handleNamedDeclaration(body);
+				if (ret) ns.body.push(ret);
+			} else handleExport(ns, file, body);
+		});
+	ast.body
+		.filter((body) => body.type == AST_NODE_TYPES.ExportAllDeclaration)
+		.forEach((body: a.ExportAllDeclaration) => {
+			let usedNs = ns;
+			if ('exported' in body && body.exported) {
+				const newNs = new CppNamespace(body.exported.name);
+				ns.body.push(newNs);
+				usedNs = newNs;
+			}
+			handleExport(usedNs, file, body);
+		});
+}
+
+const globalNamespace = new CppNamespace('dto');
+parseFile(globalNamespace, '../dto/index.ts');
+
+const output_stream = fs.createWriteStream('../backend/src/dto.h');
+output_stream.write(
+	'#pragma once\n\n' +
+		'#include <string>\n' +
+		'#include <optional>\n' +
+		'#include <vector>\n' +
+		'#include <json/allocator.h>\n' +
+		'#include "dto_extras.h"\n\n'
+);
+const output = new BetterWritable(output_stream);
+globalNamespace.write(output);
+globalNamespace.writeJsonAs('', output);

old_backend/tsconfig.json

@@ -0,0 +1,19 @@
+{
+	"compilerOptions": {
+		"module": "commonjs",
+		"declaration": false,
+		"removeComments": true,
+		"emitDecoratorMetadata": true,
+		"experimentalDecorators": true,
+		"allowSyntheticDefaultImports": true,
+		"target": "es2017",
+		"sourceMap": true,
+		"outDir": "./dist",
+		"baseUrl": "./src",
+		"incremental": true,
+		"skipLibCheck": true,
+		"resolveJsonModule": true,
+		"strictPropertyInitialization": false
+	},
+	"exclude": ["node_modules", "dist", "test", "**/*spec.ts", "frontend"]
+}